200211210112021 has 12 divisors (see below), whose sum is σ = 218589562680300. Its totient is φ = 183133302887808.

The previous prime is 200211210112009. The next prime is 200211210112027. The reversal of 200211210112021 is 120211012112002.

It can be written as a sum of positive squares in 2 ways, for example, as 138323802520996 + 61887407591025 = 11761114^2 + 7866855^2 .

It is not a de Polignac number, because 200211210112021 - 2⁷ = 200211210111893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211210111986 and 200211210112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211210112027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9562087636 + ... + 9562108573.

It is an arithmetic number, because the mean of its divisors is an integer number (18215796890025).

Almost surely, 2^{200211210112021} is an apocalyptic number.

It is an amenable number.

200211210112021 is a deficient number, since it is larger than the sum of its proper divisors (18378352568279).

200211210112021 is a wasteful number, since it uses less digits than its factorization.

200211210112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124196276 (or 19124196257 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 200211210112021 its reverse (120211012112002), we get a palindrome (320422222224023).

The spelling of 200211210112021 in words is "two hundred trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, twenty-one".